Segment Reporting (Schedule of Segment Reporting Information, by Segment) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2024		Sep. 30, 2023	Sep. 30, 2024		Sep. 30, 2023	Dec. 31, 2023	[1]
Segment Reporting Information [Line Items]
Rental income	$ 63,318		$ 62,255	$ 191,265		$ 188,505
Resident fees and services	13,771		12,367	40,416		35,860
Interest income and other	5,855		5,484	17,745		16,005
Total revenues	82,944		80,106	249,426		240,370
Senior housing operating expenses	10,744		10,045	31,494		29,525
Taxes and insurance on leased properties	2,786		2,908	8,321		8,738
NOI	69,414		67,153	209,611		202,107
Depreciation	17,768		17,515	52,763		52,862
Interest Expense, Nonoperating	14,939
Interest	14,939		15,086	44,663		43,308
Legal	240		67	641		364
Franchise, excise and other taxes	83		2	(56)		443
General and administrative	4,810		4,430	15,318		14,390
Loan and realty losses	3,434		1,959	4,550		1,727
Gains on sales of real estate, net	(102)		(737)	(1,718)		(13,500)
Gain on operations transfer, net	0		0	0		(20)
Other non-operating income	0		(202)	0		(202)
Loss on early retirement of debt	0		0	0		73
Gains from equity method investment	0		0	(402)		0
Net income	28,242		29,033	93,852		102,662
Total assets	2,460,090	[1]	2,499,090	2,460,090	[1]	2,499,090	$ 2,488,480
Operating Segments | Real Estate Investments
Segment Reporting Information [Line Items]
Rental income	63,318		62,255	191,265		188,505
Resident fees and services	0		0	0		0
Interest income and other	5,743		5,337	17,428		15,727
Total revenues	69,061		67,592	208,693		204,232
Senior housing operating expenses	0		0	0		0
Taxes and insurance on leased properties	2,786		2,908	8,321		8,738
NOI	66,275		64,684	200,372		195,494
Depreciation	15,168		15,211	45,218		46,064
Interest Expense, Nonoperating	768
Interest			773	2,292		2,298
Legal	0		0	0		0
Franchise, excise and other taxes	0		0	0		0
General and administrative	0		0	0		0
Loan and realty losses	3,434		1,959	4,550		1,727
Gains on sales of real estate, net	(102)		(737)	(1,718)		(13,500)
Gain on operations transfer, net						(20)
Other non-operating income			(202)			(202)
Loss on early retirement of debt						0
Gains from equity method investment				(402)
Net income	47,007		47,680	150,432		159,127
Total assets	2,180,153		2,218,699	2,180,153		2,218,699
Operating Segments | SHOP
Segment Reporting Information [Line Items]
Rental income	0		0	0		0
Resident fees and services	13,771		12,367	40,416		35,860
Interest income and other	0		0	0		0
Total revenues	13,771		12,367	40,416		35,860
Senior housing operating expenses	10,744		10,045	31,494		29,525
Taxes and insurance on leased properties	0		0	0		0
NOI	3,027		2,322	8,922		6,335
Depreciation	2,591		2,292	7,517		6,757
Interest Expense, Nonoperating	0
Interest			0	0		0
Legal	0		0	0		0
Franchise, excise and other taxes	0		0	0		0
General and administrative	0		0	0		0
Loan and realty losses	0		0	0		0
Gains on sales of real estate, net	0		0	0		0
Gain on operations transfer, net						0
Other non-operating income			0			0
Loss on early retirement of debt						0
Gains from equity method investment				0
Net income	436		30	1,405		(422)
Total assets	266,789		277,014	266,789		277,014
Non-segment/Corporate
Segment Reporting Information [Line Items]
Rental income	0		0	0		0
Resident fees and services	0		0	0		0
Interest income and other	112		147	317		278
Total revenues	112		147	317		278
Senior housing operating expenses	0		0	0		0
Taxes and insurance on leased properties	0		0	0		0
NOI	112		147	317		278
Depreciation	9		12	28		41
Interest Expense, Nonoperating	14,171
Interest			14,313	42,371		41,010
Legal	240		67	641		364
Franchise, excise and other taxes	83		2	(56)		443
General and administrative	4,810		4,430	15,318		14,390
Loan and realty losses	0		0	0		0
Gains on sales of real estate, net	0		0	0		0
Gain on operations transfer, net						0
Other non-operating income			0			0
Loss on early retirement of debt						73
Gains from equity method investment				0
Net income	(19,201)		(18,677)	(57,985)		(56,043)
Total assets	$ 13,148		$ 3,377	$ 13,148		$ 3,377

[1] The Condensed Consolidated Balance Sheets include the following amounts related to our consolidated variable interest entities: $507.1 million and $513.2 million of Real estate properties, net; $6.9 million and $10.9 million of Cash and cash equivalents; $9.9 million and $9.7 million of Straight-line rent receivable; $8.1 million and $9.4 million of Other assets, net; and $4.6 million and $4.7 million of Accounts payable and accrued expenses, in each case as of September 30, 2024 and December 31, 2023, respectively.